JSFiddle - React, Tailwind, and code Playground

HTML

<!-- example of jQuery().each() -->
<ul class="music">
	<li>jazz</li>
	<li class="skip">blues</li>
	<li>rock</li>
	<li class="skip">country</li>
	<li>techno</li>
	<li>metal</li>
</ul>

JavaScript

jQuery('li').each(function(index,element) {
	//element = 'this'
    
	//ignore elements with the 'skip' class
    if( jQuery(element).hasClass('skip') ){return};
    
	jQuery(element)
    //show the index
	.text( jQuery(element).text() + ' -> ' + index)
    .css({
        'background-color' : 'yellow',
        'font-size' : '22px',
        'font-family' : 'arial'     
         });
})